Re: [Xen-devel] pdb missing files?

[Kip Macy <kip.macy@xxxxxxxxx>]

Jonathan -

gdbserver-xen is behaving as I expect, now that I've turned off
crash_debug in Rules.mk.  Thanks again for your helpful suggestions.
Indeed, I am interested in debugging domU.  However, the domU kernel
I've built is crashing and / or xend is crashing before the domain can
even be started "paused".

Are you passing -p to "xm create"? If so, it is a xend problem, because that will pause the OS before the *first instruction*. However, it shouldn't be causing xend to crash until it gets to the xenbus init code.
 

If I try to use gdbserver-xen to connect to one of my
invisible-to-xm-list domains, gdbserver-xen segfaults once gdb connects
to it.  I believe this is interesting because gdbserver-xen will
complain about nonexistant domains if I pass it a domain id which has
never been used this boot cycle.  If I pass it a domain which ran
successfully, but has shutdown, it says "getdomaininfo failed".  Hence,
I believe the segfault of gdbserver-xen is directly related to the
changes I've made to the kernel I want to debug.

Could you send me the output from the two different runs? Odds are the segfault is easily fixable.
 

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